package provider

import (
	"math/rand"
	"sync"
	"time"

	"github.com/winterssy/music-get/conf"
	"github.com/winterssy/sreq"
)

var (
	client *sreq.Client
	once   sync.Once
)

func Client(platform int) *sreq.Client {
	once.Do(func() {
		client = sreq.New(nil)
		switch platform {
		case NetEaseMusic:
			client.SetDefaultRequestOpts(
				sreq.WithHeaders(sreq.Headers{
					"Origin":  "https://music.163.com",
					"Referer": "https://music.163.com",
				}),
				sreq.WithCookies(conf.Conf.Cookies...),
			)
		case QQMusic:
			client.SetDefaultRequestOpts(
				sreq.WithHeaders(sreq.Headers{
					"Origin":  "https://c.y.qq.com",
					"Referer": "https://c.y.qq.com",
				}),
			)
		case KuwoMusic:
			client.SetDefaultRequestOpts(
				sreq.WithHeaders(sreq.Headers{
					"Origin":  "http://www.kuwo.cn",
					"Referer": "http://www.kuwo.cn",
				}),
			)
		}
		client.AddDefaultRequestOpts(
			sreq.WithHeaders(sreq.Headers{
				"User-Agent": chooseUserAgent(),
			}),
		)
	})
	return client
}

func chooseUserAgent() string {
	var userAgentList = []string{
		"Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1",
		"Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1",
		"Mozilla/5.0 (Linux; Android 5.0; SM-G900P Build/LRX21T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Mobile Safari/537.36",
		"Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Mobile Safari/537.36",
		"Mozilla/5.0 (Linux; Android 5.1.1; Nexus 6 Build/LYZ28E) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Mobile Safari/537.36",
		"Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_2 like Mac OS X) AppleWebKit/603.2.4 (KHTML, like Gecko) Mobile/14F89;GameHelper",
		"Mozilla/5.0 (iPhone; CPU iPhone OS 10_0 like Mac OS X) AppleWebKit/602.1.38 (KHTML, like Gecko) Version/10.0 Mobile/14A300 Safari/602.1",
		"Mozilla/5.0 (iPad; CPU OS 10_0 like Mac OS X) AppleWebKit/602.1.38 (KHTML, like Gecko) Version/10.0 Mobile/14A300 Safari/602.1",
		"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:46.0) Gecko/20100101 Firefox/46.0",
		"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36",
		"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/603.2.4 (KHTML, like Gecko) Version/10.1.1 Safari/603.2.4",
		"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:46.0) Gecko/20100101 Firefox/46.0",
		"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36",
		"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/13.10586",
	}

	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	return userAgentList[r.Intn(len(userAgentList))]
}
